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29213 (1991 SJ)
Classification: Main-belt Asteroid          SPK-ID: 2029213
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1166489203596723 5.8705e-08  
a 2.196148909047974 1.1206e-08 AU
q 1.939970509858456 1.2869e-07 AU
i 5.200568465148907 5.3573e-06 deg
node 139.4969840343348 6.9328e-05 deg
peri 83.70216257474573 7.3896e-05 deg
M 164.1333191683563 2.3557e-05 deg
tp 2456458.517387436401
(2013-Jun-15.01738744)
7.8224e-05 JED
period 1188.75156800285
3.25
9.0981e-06
2.491e-08
d
yr
n .3028387172643771 2.3178e-09 deg/d
Q 2.452327308237493 1.2513e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      893  
   data-arc span      7956 days (21.78 yr)  
   first obs. used      1991-09-15  
   last obs. used      2013-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4998  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 02:15:35  

Additional Information
 Earth MOID = .941201 AU 
 T_jup = 3.654 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6 mag n/a MPO266102  

29213 (1991 SJ)          Discovered 1991-Sep-29 by McNaught, R. H. at Siding Spring (413)
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 SJ = 2000 CB95 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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